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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






2. 147 days






3. 4-6 days






4. 2 month growth cycle. stored in the epididymis of the bull






5. Luteolysis happens because of the ____________ hormone






6. 14-19 (17) days






7. What makes the milk flow through the mammary glands?






8. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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9. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract






10. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






11. The more stressed out the male is - the less sperm he is going to produce






12. (switzerland) 2nd in size and milk production - most muscle -






13. Front feet and head first. (except for hogs and dogs)






14. Failure to have one testis (gonad) to descend






15. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






16. Why does estrus happen before ovulation?






17. Days which have increasing daylight hours

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18. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated






19. (FSH) causes egg to mature in females






20. Microscopic - make sure not sterile - very few bulls are actually tested






21. What about the sperm for a bull which has been castrated but still has testicles?






22. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






23. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






24. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






25. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






26. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






27. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






28. Sperm is produced here






29. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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30. Days which have decreasing daylight hours

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31. Parturition is controlled by...






32. Failure to have both testis (gonads) descend






33. ~305 days (altough often longer due to breeding difficulties)






34. Implies the amount of estrogen production






35. Milk ~305 days - dry 60 days prior to calving






36. ~60 days before calving






37. Scar tissue plugs up chambers of udder






38. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






39. (LH) stimulates the Leydig cells to produce testosterone






40. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract






41. 24 hours before end of estrus cycle






42. 1. brain function - 2. blood flow - 3. willing female






43. Urinary calculi.






44. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






45. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






46. 19-23 (21) days






47. 1-3 days






48. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






49. Largest dairy cow - largest udder - highly vascular - eat 40-50% dry matter (eat alot) - most total butterfat






50. 26 hours after estrus begins







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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